01 / NETWORK
IEEE 802 engineering
Founded on Ethernet, LANs, network devices and communications solutions.
IEEE 802 / OUI / SNMP / ETHERNET / POWER
EVERYTHING OVER IP / IP OVER EVERYTHING
Turning intelligence into communications technology,
and technology into infrastructure that sustains society
The architectural principle expressed by “Everything over IP, IP over Everything” made it possible to carry diverse forms of information over IP and to operate IP across many different physical media. It connected different devices, networks and locations as one interoperable system.
Inspired by this principle, Kei Communication Technology Inc. was founded on November 15, 2000. The name expresses our purpose: Kei（慧）represents intelligence and wisdom, communications technology turns that intelligence into working systems, and engineering gives those systems a durable physical form.
Beginning with technologies related to IEEE 802, we have developed an integrated technical foundation encompassing our own OUI, proprietary SNMP protocol stack and MIB, remote monitoring, UPS systems and distributed power. Connecting devices, identifying them, understanding their condition, and sustaining their operation through power and maintenance has remained our business since the company was founded.
Technology Continuity
1. Identify
OUI / MAC Address / Asset Identity
2. Monitor and control
SNMP / MIB / Polling / Trap
3. Maintain power
UPS / Power Quality / Distributed Power
4. Operate for the long term
Maintenance / Traceability / Accountability
This page contains technical information independently prepared and published by
Kei Communication Technology Inc. It is not an official page operated or endorsed
by IEEE or the IEEE Standards Association. Explanations of IEEE 802, OUI, EUI-48,
EUI-64, and related identifiers are based on publicly available information from
IEEE and the IEEE Registration Authority.
Why ieee802.co.jp
Founded on 15 November 2000 to implement network technology in real-world systems
Kei Communication Technology Inc. was founded on 15 November 2000 to develop network products and solutions related to IEEE 802 standards. The domain ieee802.co.jp, registered at the time of our founding and operated ever since, represents both our technical origin and our continuing position.
Beginning with Ethernet, LAN engineering and network management, our technologies have expanded into device identity through our own OUI, remote monitoring through an in-house SNMP protocol stack, integrated observation of communications and power, UPS systems, power-quality monitoring and autonomous distributed power.
For networks to function continuously as social infrastructure, device identity, observability, stable power and recovery capability must be designed as one operational platform.
Technology History
A continuous technology path from networks to power
Through field experience in network availability, we expanded our scope into device identity, remote monitoring, power quality, UPS systems and autonomous distributed power. These elements form one technology system for the continuous operation of social infrastructure.
02 / IDENTITY
Operation of our own OUI
Unique device identity, address management and traceability maintained as a manufacturer.
03 / MANAGEMENT
SNMP remote monitoring
An in-house protocol stack and MIB used to monitor and manage operational customer systems for more than 20 years.
04 / POWER
UPS and distributed power
Expanded into power quality, uninterrupted power and off-grid systems to sustain communications and monitoring.
IEEE OUI / 00:16:AA
Maintaining device identity as a manufacturer
00:16:AA
An OUI is an identifier assigned to an organization by the IEEE Registration Authority. A current MA-L assignment includes an OUI and the right to create identifiers such as EUI-48 and EUI-64 from it.
Our OUI is not merely a historical registration. We continue to manage and operate it as an identity foundation for our products and network equipment.
Identity and Accountability
What OUI supports
Unique device identity
Identifies networked devices, prevents address duplication, and clarifies the manufacturer and operating authority.
Traceability
Provides the basis for linking each device to its operational history from manufacture and installation through monitoring, repair, replacement and retirement.
Long-term operational responsibility
Clarifies who manages the identity system, explains incidents, and continues updates and maintenance.
SNMP / Remote Monitoring
Remote monitoring and long-term operation through our in-house SNMP protocol stack
We developed our own SNMP protocol stack and MIB and have operated polling, traps, condition monitoring and remote control across real customer systems for more than 20 years.
By observing communications, devices and power as an integrated system, and by continuously retaining monitoring data and maintenance history, we support stable remote operation, incident response and long-term maintenance.
Our SNMP monitoring technologyAbout snmp.jp and ethernet.jp
For more than 20 years, we have owned and operated dedicated domains related to SNMP and Ethernet. They are used continuously as an operational platform for monitoring and managing real customer systems.
To protect the monitoring platform and its continuity, public information is limited to technical outlines and operational experience. System architecture, endpoints and detailed operating information are managed as controlled information.
Polling
Retrieves status periodically to track changes and trends continuously.
Trap
Devices report abnormal conditions and state changes to accelerate the initial response.
MIB
Defines monitored objects and their meaning so equipment states can be handled through a common information structure.
Remote Control
Connects monitoring results to the required control and recovery decisions.
Network and Power
From in-house communications equipment to Personal Energy®
Our technical starting point was the in-house development of communications equipment that met the performance and operational requirements we needed, followed by network solutions built around those products.
Operating our own communications equipment in customer systems led us to a fundamental condition: communications, monitoring and control function only when stable electricity is available.
We therefore applied the network principles of identity, monitoring, control, distribution and redundancy to power, creating an autonomous distributed power architecture whose state can be observed, managed remotely and expanded as required.
Personal Energy® is the product implementation of that technology system.
Technology Path
From technology supporting communications to autonomous distributed power
01
In-house communications equipment
Implemented required performance and operating requirements in our own products
02
Network operation
Integrated communications, monitoring and control in customer systems
03
Power as the foundation
Recognized electricity as the foundation that enables communications
04
Autonomous distributed design
Extended network design principles into power architecture
05
Personal Energy®
Implemented monitoring, control, distribution and power as one product system
Core Principle
Four design elements supporting Personal Energy®
Identity
Clarify connected devices and their roles
Monitoring
Continuously observe the state and changes of communications, devices and power
Power
Supply the required power reliably to essential functions
Maintenance
Support long-term operation, recovery, records and accountability
Personal Energy®
Power architecture designed for continuous operation
Explore our portable UPS and autonomous distributed power technologies.
IEEE 802 Active Groups
Seven active IEEE 802 groups and their relationship to our work
For each group active as of July 2026, we explain not only the standards scope but also how the technology is used in real systems and how it connects to power, monitoring and maintenance. Solutions may include both our own products and selected third-party products appropriate to the application.
IEEE 802.1
Higher Layer LAN Protocols Working Group
Core technologies for secure and dependable LAN operation, including bridging, VLANs, TSN, security and network management.
Connection to our work
SNMP monitoring, network management, time synchronization, authentication, path availability and continuous operation of industrial networks.
VLAN
TSN
MACsec
Management
IEEE 802.3
Ethernet Working Group
The core wired-network family covering Ethernet, optical links, PoE and high-speed transmission, including networks that support AI clusters.
Connection to our work
Ethernet, PoE equipment, optical links, OUI-based identity, network power, UPS systems, surge protection and AI infrastructure.
Ethernet
PoE
Optical
AI Network
IEEE 802.11
Wireless LAN Working Group
A standards family covering WLAN performance, reliability, power efficiency and sensing. As field operations become more wireless, power and monitoring become increasingly important.
Connection to our work
Wi-Fi access points, PoE, wireless backhaul, remote sites, disaster-response systems and portable UPS systems.
WLAN
Wi-Fi
PoE
Resilience
IEEE 802.15
Wireless Specialty Network Working Group
Low-power, short-range and application-specific wireless networking that provides a foundation for field deployment of sensors and IoT devices.
Connection to our work
Sensors, smart meters, IoT gateways, equipment monitoring, low-power devices and off-grid sites.
WSN
IoT
Sensor
Low Power
IEEE 802.18
Radio Regulatory Technical Advisory Group
Regulatory and spectrum matters, including coordination with public authorities, that affect the use of IEEE 802 wireless technologies across countries and regions.
Connection to our work
Wireless equipment selection, international deployment, regional spectrum rules, certification and deployment conditions for remote communications systems.
Regulation
Spectrum
Global
Compliance
IEEE 802.19
Wireless Coexistence Working Group
Interference mitigation and coexistence where multiple wireless standards operate simultaneously, including license-exempt spectrum.
Connection to our work
Wireless coexistence and operational design for factories, hospitals, logistics facilities and smart buildings where Wi-Fi, Bluetooth and IoT systems share the environment.
Coexistence
Interference
Factory
Medical
IEEE 802.24
Vertical Applications Technical Advisory Group
Technical guidance for applying multiple IEEE 802 technologies across vertical applications such as smart grids, transport, smart cities, eHealth and IoT.
Connection to our work
Integration of distributed power, smart grids, healthcare, local government, disaster resilience, transport, remote monitoring and IoT as social infrastructure.
Smart Grid
eHealth
ITS
Smart City
AI Infrastructure
In the AI era, networks and power must be designed together
A GPU cluster requires integrated design across GPUs, NICs, switches, optical transceivers, storage, cooling, PDUs, UPS systems and the incoming power infrastructure.
Ethernet and InfiniBand are distinct technology systems, but both depend on power that can sustain large-scale data transfer. Latency, packet loss, cooling capacity, power fluctuations and momentary interruption protection are interdependent.
GPU / Accelerator
Compute resources
Ethernet / InfiniBand
GPU and cluster interconnect
NIC / Switch / Optics
High-speed transport
Storage
Data supply
Cooling
Thermal design
PDU / UPS / Grid
Power quality and continuity
Operational Autonomy / Traceability
Technical autonomy for critical infrastructure
Continuous operation of communications and remote-monitoring systems depends on the operator understanding the architecture, identity information, management methods, monitoring data, power state and maintenance procedures—not only the country in which equipment was manufactured.
We have built one operational system combining device identity based on our OUI 00:16:AA, condition monitoring through our in-house SNMP protocol stack and MIB, power monitoring, remote control and maintenance history.
This enables us to correlate communications, equipment and power states, assess the affected scope during an incident, select a recovery procedure and carry the response history forward into future maintenance.
Technical autonomy does not require manufacturing every component internally. It means understanding dependencies across the entire system, including external products and services, and retaining the ability to monitor, decide and continue operations.
Identity, observability, change management and recovery capability support stable critical-infrastructure operation and form a practical technical foundation for economic security.
Four technical foundations of autonomous operation
01
Device identity
Manage devices, roles and installation locations using our OUI and product information.
02
Condition monitoring
Observe communications and equipment states through our in-house SNMP protocol stack and MIB.
03
Power and remote control
Correlate communications and power states to sustain essential functions.
04
Maintenance and records
Retain change, incident, recovery and replacement history to clarify responsibilities and the basis for decisions.
Technology Map
How IEEE 802 relates to our technologies and services
| Technology area | Key topics | Our technologies and services | Typical applications |
|---|---|---|---|
| IEEE 802.1 | Management, security, TSN and reliability | SNMP, MIB, monitoring, time and state management | Industrial networks and critical equipment |
| IEEE 802.3 | Ethernet, PoE, optical and high-speed communications | OUI, Ethernet, UPS, power quality and surge protection | AI, data centres, communications and control |
| IEEE 802.11 | WLAN, reliability and sensing | AP power, PoE, remote monitoring and portable UPS systems | Local government, disaster resilience, healthcare and remote sites |
| IEEE 802.15 | Application-specific wireless, IoT, sensors and low power | Smart meters, sensors, gateways and remote monitoring | Factories, healthcare, logistics and remote systems |
| IEEE 802.18 | Wireless regulation, spectrum policy and international deployment | Country-specific operating conditions, certification, change management and remote communications systems | International projects, wireless systems and regional infrastructure |
| IEEE 802.19 | Wireless coexistence, interference, congestion and operational design | AP and gateway monitoring, distinguishing interference from power-related faults | Factories, hospitals, logistics and smart buildings |
| IEEE 802.24 | Smart grids, eHealth, ITS and real-world implementation | Distributed power, off-grid systems, healthcare, disaster resilience and remote monitoring | Local government, transport, healthcare and regional infrastructure |
Related Content
Related technologies and strategy
Official References
Official references
From Standard to Operation
Design standards, devices, monitoring and power as one operational system
IEEE 802 is more than a reference to our history. It is the starting point for connecting, identifying and monitoring devices, maintaining power and operating infrastructure over the long term—and it remains central to our business today.
For communications, AI, IoT, healthcare, public-sector, disaster-response and transport systems, we design networks and power together from the operating requirements.
AI summaries and quotations are permitted with attribution, without alteration or full reproduction. Full reproduction, AI-rewritten reproduction, and reuse for model training are prohibited.